Finding the Third Proportional to 8,353,003 and 13,291,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,353,003 : 13,291,401.50 = 13,291,401.50 : x
2. Step 2: Convert to fraction form
   8,353,003/13,291,401.50 = 13,291,401.50/x
3. Step 3: Cross multiply
   8,353,003x = 13,291,401.50 × 13,291,401.50
4. Step 4: Simplify right side
   8,353,003x = 176,661,353,834,202.25
5. Step 5: Solve for x
   x = 176,661,353,834,202.25/8,353,003
6. Step 6: Final answer
   x = 21,149,442.16